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Architecture, decisions, behind the scenes.

99.9% uptime: what that number hides — and what it should actually say
ProductApr 2, 2026

99.9% uptime: what that number hides — and what it should actually say

Atlassian, 2022: 13 days offline, 99.9% contractual SLA, compensation capped at half a monthly bill. How the number on the dashboard and the reality your customers experience can diverge completely.

6 min read
Building HA Monitoring on NATS JetStream + taskiq in Kubernetes
TechMar 24, 2026

Building HA Monitoring on NATS JetStream + taskiq in Kubernetes

From a single-replica fragile scheduler to a proper HA setup: five silent bugs, five fixes — and a nats.py race condition only visible by reading the source.

19 min read
Observability doesn't belong only to the big players.
MilestoneMar 13, 2026

Observability doesn't belong only to the big players.

Why I'm building Perimon and writing about it — a unified monitoring platform for web professionals who can't afford a full SRE team.

3 min read
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